If the temperature of the interior of a refrigerator is 7° C and the temperature of surroundings is 27° C, what should be the coefficient of performance of the refrigerator working between those temperature?

Q: Air conditioners are rated by their coefficient of performance at  68 ∘F∘F  inside temperature and…

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Q: A heat pump used to warm a home must employ a cycle that produces a working fluid at temperatures…

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Q: (4) Find the heat input (from "cold reservoir") and the heat output (to "hot reservoir"): (5) Find…

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Q: A refrigerator is to maintain eatables kept inside at 9 °C, if room temperature is 36 °C. Calculate…

A: We have,   T1=36oC     =36+273 K=309 KT2=9oC    =9+273 K=282 K

Q: An electrical power supply of 275W is required to run a refrigerator and to keep the temperature of…

A: Inside temperature T2=4.5oC=277.5 K, initial temperature T1=31oC=304 K and power supply P=275 W.…

Q: A refrigerator has a coefficient of performance of 2. The ice (cice = 2090 J/kg.°C) tray compartment…

A: Given data, Performance coefficient of the refrigerator = 2 Cice = 2090 J/kg.oC Cwater = 4186…

Q: What is its coefficient of performance?

A: Given:  Temperature of the refrigerator is -10.5∘C and the heat of the other environment is 60.0∘C…

Q: Problem 2: A refrigerator has a coefficient of performance equal to 5. The refrigerator discards 150…

A: Given , Coefficient of performance, COP = 5 Amount of heat rejected into high temp reservoir ,…

Q: A refrigerator has a coefficient of performance of 2. The ice (cice = 2090 J/kg.ºC) tray compartment…

A: Given,  Coefficient of performance K = 2 Temperature of ice tray compartment  Ti = -14 degree…

Q: A heat pump maintains a dwelling at 68°F. When operating steadily, the power input to the heat pump…

A: Coefficient of performance of heat pump is given by COP=Q1Win Where Q1,Win are heat transferred to…

Q: It has been proposed to use the thermal gradient of the ocean to drive a heat engine. Suppose that…

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Q: A refrigerator has a coefficient of performance of 2. The ice (cice = 2090 J/kg.oC) tray compartment…

A: Given data: Coefficient of performance = 2 Mass of water m=5.47 g Temperature =-190C. Room…

Q: A refrigerator has a coefficient of performance of 2. The ice (cice = 2090 J/kg.ºC) tray compartment…

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Q: A refrigerator has a coefficient of performance of 2. The ice (cjce = 2090 J/kg.°C) tray compartment…

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Q: A heat engine operates between a reservoir at 29 degrees Celsius and one at 356 degrees Celsius.…

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Q: A refrigerator has a coefficient of performance of 1. The ice (cice = 2090 J/kg.°C) tray compartment…

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Q: An ideal, reversible heat pump is taking heat from the outside air at -11.5 °C and discharging it…

A: Given : Reversible heat pump is taking heat from the outside air at -11.5 °C.…

Q: Calculate the work done by the refrigerator if it is having a coefficient of performance of 2.3 and…

A: Given:Coefficent of performance is 2.3Release 200 J of heat energy to the reservoirTo Find:Work Done…

Q: 1. (a) What is the best coefficient of performance for a refrigerator that cools an environment at…

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Q: Suppose you want to operate an ideal refrigerator that has a cold temperature of -7.5°C, and you…

A: Given:  Temperature of cold reservoir = -7.5o C  Coefficient of performance = 6.5

Q: what is the maximum possible coefficient of performance of a heat pump that brings energy from…

A: Given: Temperature, Th = 22o C = 273+22 = 295 K and Tc = 3o C = 273+3 = 276 K

Q: Assume your kitchen refrigerator operates between the temperatures -16°C and 25°C. A 50% Part (a)…

A: Write the given values to the suitable variables.Here,  is the lower temperature and  is the higher…

Q: The freezer compartment of a refrigerator operates between a temperature of -15ºC and room…

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Q: Suppose you want to operate an ideal refrigerator with a cold temperature of -10.0C, and you would…

A: The temperature of the cold reservoir is, TC=-10+273 K=263 K The coefficient of performance of an…

Q: A reversible heat pump can be utilized for heating in Winter and cooling in Summer. The Coefficient…

A: Given : The Coefficient of Performance in heating mode is calculated as: COPheating = ΔQhot / W =…

Q: If the outdoor temperature is 36°C, what will be the ratio of the power required to maintain an…

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Q: (a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature…

A: (a). Cop = 5.07  (b).  Q = 4.36*106 (c).  0.033

Q: A heat pump removes 2060 J of heat from the outdoors and delivers 3060 J of heat to the inside of a…

A: Given data The heat removed by the pump is QL=2060 J The heat delivered by the house is QH=3060 J…

Q: What is Carnot efficiency of a heat engine operating between the temperatures of165  and 2  Give…

A: The given values are,

Q: An ideal Carnot engine is operated between a hot and a cold reservoir. The temperature difference…

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